<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Initialize session</title>
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-base.css" />
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-medium.css" />

 </head>
 <body class="docs"><div class="navbar navbar-fixed-top">
  <div class="navbar-inner clearfix">
    <ul class="nav" style="width: 100%">
      <li style="float: left;"><a href="sessionhandlerinterface.gc.html">« SessionHandlerInterface::gc</a></li>
      <li style="float: right;"><a href="sessionhandlerinterface.read.html">SessionHandlerInterface::read »</a></li>
    </ul>
  </div>
</div>
<div id="breadcrumbs" class="clearfix">
  <ul class="breadcrumbs-container">
    <li><a href="index.html">PHP Manual</a></li>
    <li><a href="class.sessionhandlerinterface.html">SessionHandlerInterface</a></li>
    <li>Initialize session</li>
  </ul>
</div>
<div id="layout">
  <div id="layout-content"><div id="sessionhandlerinterface.open" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SessionHandlerInterface::open</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.4.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">SessionHandlerInterface::open</span> &mdash; <span class="dc-title">Initialize session</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-sessionhandlerinterface.open-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>SessionHandlerInterface::open</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$path</code></span>, <span class="methodparam"><span class="type">string</span> <code class="parameter">$name</code></span>): <span class="type">bool</span></div>

  <p class="para rdfs-comment">
   Re-initialize existing session, or creates a new one. Called when a session starts or when
   <span class="function"><a href="function.session-start.html" class="function">session_start()</a></span> is invoked.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-sessionhandlerinterface.open-parameters">
  <h3 class="title">参数</h3>
  <dl>
   
    <dt>
<code class="parameter">path</code></dt>

    <dd>

     <p class="para">
      The path where to store/retrieve the session.
     </p>
    </dd>

   
   
    <dt>
<code class="parameter">name</code></dt>

    <dd>

     <p class="para">
      The session name.
     </p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-sessionhandlerinterface.open-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   会话存储的返回值（通常成功返回 0，失败返回 1）。
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-sessionhandlerinterface.open-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.session-name.html" class="function" rel="rdfs-seeAlso">session_name()</a> - 读取/设置会话名称</span></li>
    <li class="member">
     The <a href="session.configuration.html#ini.session.auto-start" class="link">session.auto-start</a>
     configuration directive.
    </li>
   </ul>
  </p>
 </div>


</div></div></div></body></html>